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<pre><span class="sourceLineNo">001</span>/*<a name="line.1"></a>
<span class="sourceLineNo">002</span> * Copyright (C) 2010 The Guava Authors<a name="line.2"></a>
<span class="sourceLineNo">003</span> *<a name="line.3"></a>
<span class="sourceLineNo">004</span> * Licensed under the Apache License, Version 2.0 (the "License");<a name="line.4"></a>
<span class="sourceLineNo">005</span> * you may not use this file except in compliance with the License.<a name="line.5"></a>
<span class="sourceLineNo">006</span> * You may obtain a copy of the License at<a name="line.6"></a>
<span class="sourceLineNo">007</span> *<a name="line.7"></a>
<span class="sourceLineNo">008</span> * http://www.apache.org/licenses/LICENSE-2.0<a name="line.8"></a>
<span class="sourceLineNo">009</span> *<a name="line.9"></a>
<span class="sourceLineNo">010</span> * Unless required by applicable law or agreed to in writing, software<a name="line.10"></a>
<span class="sourceLineNo">011</span> * distributed under the License is distributed on an "AS IS" BASIS,<a name="line.11"></a>
<span class="sourceLineNo">012</span> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.<a name="line.12"></a>
<span class="sourceLineNo">013</span> * See the License for the specific language governing permissions and<a name="line.13"></a>
<span class="sourceLineNo">014</span> * limitations under the License.<a name="line.14"></a>
<span class="sourceLineNo">015</span> */<a name="line.15"></a>
<span class="sourceLineNo">016</span><a name="line.16"></a>
<span class="sourceLineNo">017</span>package com.google.common.util.concurrent;<a name="line.17"></a>
<span class="sourceLineNo">018</span><a name="line.18"></a>
<span class="sourceLineNo">019</span>import java.util.Collection;<a name="line.19"></a>
<span class="sourceLineNo">020</span>import java.util.List;<a name="line.20"></a>
<span class="sourceLineNo">021</span>import java.util.concurrent.Callable;<a name="line.21"></a>
<span class="sourceLineNo">022</span>import java.util.concurrent.ExecutorService;<a name="line.22"></a>
<span class="sourceLineNo">023</span>import java.util.concurrent.Future;<a name="line.23"></a>
<span class="sourceLineNo">024</span>import java.util.concurrent.RejectedExecutionException;<a name="line.24"></a>
<span class="sourceLineNo">025</span>import java.util.concurrent.TimeUnit;<a name="line.25"></a>
<span class="sourceLineNo">026</span><a name="line.26"></a>
<span class="sourceLineNo">027</span>/**<a name="line.27"></a>
<span class="sourceLineNo">028</span> * An {@link ExecutorService} that returns {@link ListenableFuture} instances. To create an instance<a name="line.28"></a>
<span class="sourceLineNo">029</span> * from an existing {@link ExecutorService}, call<a name="line.29"></a>
<span class="sourceLineNo">030</span> * {@link MoreExecutors#listeningDecorator(ExecutorService)}.<a name="line.30"></a>
<span class="sourceLineNo">031</span> *<a name="line.31"></a>
<span class="sourceLineNo">032</span> * @author Chris Povirk<a name="line.32"></a>
<span class="sourceLineNo">033</span> * @since 10.0<a name="line.33"></a>
<span class="sourceLineNo">034</span> */<a name="line.34"></a>
<span class="sourceLineNo">035</span>public interface ListeningExecutorService extends ExecutorService {<a name="line.35"></a>
<span class="sourceLineNo">036</span>  /**<a name="line.36"></a>
<span class="sourceLineNo">037</span>   * @return a {@code ListenableFuture} representing pending completion of the task<a name="line.37"></a>
<span class="sourceLineNo">038</span>   * @throws RejectedExecutionException {@inheritDoc}<a name="line.38"></a>
<span class="sourceLineNo">039</span>   */<a name="line.39"></a>
<span class="sourceLineNo">040</span>  @Override<a name="line.40"></a>
<span class="sourceLineNo">041</span>  &lt;T&gt; ListenableFuture&lt;T&gt; submit(Callable&lt;T&gt; task);<a name="line.41"></a>
<span class="sourceLineNo">042</span><a name="line.42"></a>
<span class="sourceLineNo">043</span>  /**<a name="line.43"></a>
<span class="sourceLineNo">044</span>   * @return a {@code ListenableFuture} representing pending completion of the task<a name="line.44"></a>
<span class="sourceLineNo">045</span>   * @throws RejectedExecutionException {@inheritDoc}<a name="line.45"></a>
<span class="sourceLineNo">046</span>   */<a name="line.46"></a>
<span class="sourceLineNo">047</span>  @Override<a name="line.47"></a>
<span class="sourceLineNo">048</span>  ListenableFuture&lt;?&gt; submit(Runnable task);<a name="line.48"></a>
<span class="sourceLineNo">049</span><a name="line.49"></a>
<span class="sourceLineNo">050</span>  /**<a name="line.50"></a>
<span class="sourceLineNo">051</span>   * @return a {@code ListenableFuture} representing pending completion of the task<a name="line.51"></a>
<span class="sourceLineNo">052</span>   * @throws RejectedExecutionException {@inheritDoc}<a name="line.52"></a>
<span class="sourceLineNo">053</span>   */<a name="line.53"></a>
<span class="sourceLineNo">054</span>  @Override<a name="line.54"></a>
<span class="sourceLineNo">055</span>  &lt;T&gt; ListenableFuture&lt;T&gt; submit(Runnable task, T result);<a name="line.55"></a>
<span class="sourceLineNo">056</span><a name="line.56"></a>
<span class="sourceLineNo">057</span>  /**<a name="line.57"></a>
<span class="sourceLineNo">058</span>   * {@inheritDoc}<a name="line.58"></a>
<span class="sourceLineNo">059</span>   *<a name="line.59"></a>
<span class="sourceLineNo">060</span>   * &lt;p&gt;All elements in the returned list must be {@link ListenableFuture} instances.<a name="line.60"></a>
<span class="sourceLineNo">061</span>   *<a name="line.61"></a>
<span class="sourceLineNo">062</span>   * @return A list of {@code ListenableFuture} instances representing the tasks, in the same<a name="line.62"></a>
<span class="sourceLineNo">063</span>   *         sequential order as produced by the iterator for the given task list, each of which has<a name="line.63"></a>
<span class="sourceLineNo">064</span>   *         completed.<a name="line.64"></a>
<span class="sourceLineNo">065</span>   * @throws RejectedExecutionException {@inheritDoc}<a name="line.65"></a>
<span class="sourceLineNo">066</span>   * @throws NullPointerException if any task is null<a name="line.66"></a>
<span class="sourceLineNo">067</span>   */<a name="line.67"></a>
<span class="sourceLineNo">068</span>  @Override<a name="line.68"></a>
<span class="sourceLineNo">069</span>  &lt;T&gt; List&lt;Future&lt;T&gt;&gt; invokeAll(Collection&lt;? extends Callable&lt;T&gt;&gt; tasks)<a name="line.69"></a>
<span class="sourceLineNo">070</span>      throws InterruptedException;<a name="line.70"></a>
<span class="sourceLineNo">071</span><a name="line.71"></a>
<span class="sourceLineNo">072</span>  /**<a name="line.72"></a>
<span class="sourceLineNo">073</span>   * {@inheritDoc}<a name="line.73"></a>
<span class="sourceLineNo">074</span>   *<a name="line.74"></a>
<span class="sourceLineNo">075</span>   * &lt;p&gt;All elements in the returned list must be {@link ListenableFuture} instances.<a name="line.75"></a>
<span class="sourceLineNo">076</span>   *<a name="line.76"></a>
<span class="sourceLineNo">077</span>   * @return a list of {@code ListenableFuture} instances representing the tasks, in the same<a name="line.77"></a>
<span class="sourceLineNo">078</span>   *         sequential order as produced by the iterator for the given task list. If the operation<a name="line.78"></a>
<span class="sourceLineNo">079</span>   *         did not time out, each task will have completed. If it did time out, some of these<a name="line.79"></a>
<span class="sourceLineNo">080</span>   *         tasks will not have completed.<a name="line.80"></a>
<span class="sourceLineNo">081</span>   * @throws RejectedExecutionException {@inheritDoc}<a name="line.81"></a>
<span class="sourceLineNo">082</span>   * @throws NullPointerException if any task is null<a name="line.82"></a>
<span class="sourceLineNo">083</span>   */<a name="line.83"></a>
<span class="sourceLineNo">084</span>  @Override<a name="line.84"></a>
<span class="sourceLineNo">085</span>  &lt;T&gt; List&lt;Future&lt;T&gt;&gt; invokeAll(<a name="line.85"></a>
<span class="sourceLineNo">086</span>      Collection&lt;? extends Callable&lt;T&gt;&gt; tasks, long timeout, TimeUnit unit)<a name="line.86"></a>
<span class="sourceLineNo">087</span>      throws InterruptedException;<a name="line.87"></a>
<span class="sourceLineNo">088</span>}<a name="line.88"></a>




























































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